<style>
    .search-group {
        width: 35%;
        margin: 0 auto;
        padding: 30px 0 50px 0;
        background: #fff;
    }
    .form-control{
        height: 47px;
    }
    .btn-search{
        padding: 9px 26px;
        background: #e4393c;
        color: #fff;
        font-size: 19px;
    }
    .btn-search:hover {
        color: #fff;
        background-color: #f66060;
    }
</style>
<div class="search-group">
    <div class="input-group">
        <input type="text" class="form-control" id="search-part-btn" placeholder="Search for...">
        <span class="input-group-btn">
        <button class="btn btn-search" type="button">搜索</button>
        </span>
    </div>
</div>
<script>
    $('#search-part-btn').focus(function(){
        window.location.href="search.html";
    })
</script>

